package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

public class JDBCDemo3 {
    public static void main(String[] args) throws SQLException, ClassNotFoundException {
        Class.forName("com.mysql.cj.jdbc.Driver");
        Connection connection = DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root",
                "root"
        );
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入用户名");
        String username = scanner.nextLine();

        Statement statement = connection.createStatement();
        //注销用户功能
        String sql = "DELETE FROM userinfo WHERE username = '" + username + "'";
        int i = statement.executeUpdate(sql);
        if (i > 0) {
            System.out.println("注销成功");
        } else {
            System.out.println("注销失败");
        }
        connection.close();
    }
}
